<template>
  <div class="count">
    <h1>{{count}}</h1>
    <button @click="add">累加</button>
  </div>
</template>

<script>
export default {
    name:'MyCount',
    data(){
        return{
            count:0
        }
    },
    methods:{
        add(){
            this.count++
        }
    }
}
</script>

<style scoped>
    .count{
        background-color: aquamarine;
        height: 200px;
    }
</style>